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Network-based coverage of mutational profiles reveals cancer genes

Author(s): Hristov, BH; Singh, Mona

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dc.contributor.authorHristov, BH-
dc.contributor.authorSingh, Mona-
dc.identifier.citationHristov, BH, Singh, M. (2017). Network-based coverage of mutational profiles reveals cancer genes. 10229 LNCS (375 - 376en_US
dc.description.abstractA central goal in cancer genomics is to identify the somatic alterations that underpin tumor initiation and progression. While commonly mutated cancer genes are readily identifiable, those that are rarely mutated across samples are difficult to distinguish from the large numbers of other infrequently mutated genes. We introduce a method, nCOP, that considers per-individual mutational profiles within the context of protein-protein interaction networks in order to identify small connected subnetworks of genes that, while not individually frequently mutated, comprise pathways that are altered across (i.e., “cover”) a large fraction of individuals. By analyzing 6,038 samples across 24 different cancer types, we demonstrate that nCOP is highly effective in identifying cancer genes, including those with low mutation frequencies. Overall, our work demonstrates that combining per-individual mutational information with interaction networks is a powerful approach for tackling the mutational heterogeneity observed across cancers. Cancer-relevant genes, including those rarely mutated across samples, can be effectively identified by considering per-individual mutational profiles in the context of interaction networks and uncovering small connected subnetworks of genes, presumably participating in shared processes, that together are altered across (i.e., “cover”) a large fraction of individuals.en_US
dc.format.extent375 - 376en_US
dc.relation.ispartofCell Systemsen_US
dc.rightsFinal published version. Article is made available in OAR by the publisher's permission or policy.en_US
dc.titleNetwork-based coverage of mutational profiles reveals cancer genesen_US
dc.typeJournal Articleen_US

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